Arne Beer
Softwareentwicklungsberater
Hamburg, Germany
Summary
🤩
Rockstar🎓
Top SchoolArne Beer is a freelance Softwareentwicklungsberater based in Hamburg with 13 years of experience architecting and building web backends, infrastructure and devops workflows, recently focusing on systems programming and embedded engineering. He prefers Rust (two years of professional use in high-performance servers and embedded contexts) and Python, and routinely spans the full stack when projects demand low-latency, high-performance solutions. His background includes senior backend and sysops roles using PHP/Symfony, Docker and configuration management, and he now helps clients design and implement scalable web applications and infrastructure. An active open-source maintainer, he has contributed notable improvements to popular Rust projects such as i3status-rust and clap, adding battery/device support and extensive shell completion tests. Pragmatic and hands-on, he combines deep systems knowledge with a developer-ops mindset to deliver maintainable, high-performance systems.
13 years of coding experience
7 years of employment as a software developer
Bachelor of Science - BS, Computer Science, Bachelor of Science - BS, Computer Science at Universität Hamburg
German, English
Stackoverflow
995reputation
539kreached
1answer
4questions
php
top-5%
Github Skills (22)
parser10
testing10
power-management10
command-line-parser10
argument-parsing10
parse10
command-line10
management10
rust10
zsh10
bash9
configuration-management9
sysfs9
php9
powershell9
Programming languages (20)
Github contributions (5)
greshake/i3status-rust
Sep 2020 - Oct 2020
Very resourcefriendly and feature-rich replacement for i3status, written in pure Rust
Role in this project:
Back-end Developer
Back-end DeveloperContributions:11 commits, 8 PRs, 8 comments in 3 days
Contributions summary:Arne focused on enhancing the `i3status-rust` project by implementing new features related to battery monitoring and device handling. Their work included adding options to allow or hide missing battery devices and integrating hot-swappable battery support, crucial for the project's functionality. They also addressed code quality by fixing warnings, resolving clippy issues, and refactoring the code for better maintainability, with improvements spanning multiple source files related to battery blocks and system integration. Finally, their work included review adjustments and documentation improvements.
rustfeature-richpure-rusti3statusreplacement
clap-rs/clap
Dec 2020 - Dec 2020
A full featured, fast Command Line Argument Parser for Rust
Role in this project:QA Engineer / Test Automation Engineer
QA Engineer / Test Automation EngineerContributions:2 reviews, 5 commits, 2 PRs in 1 day
Contributions summary:Arne primarily focused on adding and modifying completion tests for various shells within the `clap-rs/clap` repository, a command-line argument parser for Rust. Their contributions involved creating tests for Bash, Fish, Elvish, PowerShell, and Zsh, ensuring correct argument parsing and command completion in different shell environments. These tests cover special commands, nested subcommands, and special characters to ensure the robustness and compatibility of `clap` across diverse shell implementations. They also refactored tests to enhance code maintainability, creating separate test applications for each shell to improve modularity and streamline testing.
argvfull-featuredsubcommandsrustargument-parser
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